Avian BB86 Bottom Bracket

ABOUT Many of the top frames on the market utilize a press-fit BB86 bottom bracket shell. We offer three versions, a sealed and a ceramic bearing option with composite cups, as well as a sealed version with alloy cups. SPEC Composite Cups - 2.65oz Alloy Cups - 3.15oz Compatible with 24mm spindles Inner plastic o-rings and dust shields 41mm press-fit cup for 86.5mm shells Compatible on high-end frames by manufactures such as Speedco, Haro, Redline, & Chase (carbon).